In collaboration with the American Physical Society (APS), we have
added over 300,000 abstracts from the Physical Review Series to the ADS
Physics Database. In addition, we have added over 3 million citations
from these articles. More links and better interoperability between the
ADS and APS web sites are expected in the future as part of this
collaborative effort.

Full Mirror Sites in China and India

We are pleased to announce that our mirror sites in China and India
are now full mirror sites containing all ADS article scans as well as
abstracts. In addition to China and India, our mirror sites in France
and Japan (as well as our US site in Cambridge) also contain all
articles which have been scanned by the ADS.

EndNote, ProCite With ADS

We have revised the options at the bottom of the query results page,
including an option to return references in EndNote, ProCite, BibTex,
and several other standard formats. This should assist users using ADS
to create reference lists for papers to be published.

New ADS Site Map and Help Text

A new ADS Site Map is included in our list of links at the bottom of
all ADS Pages. We have also revised our help text to make it easier to
find useful information. Users should visit the Site Map and help text
pages to find out about additional ADS features and capabilities which
may be new to them.

Scanning Summary

We have recently scanned and put online:

African Skies (v.1-5: 1997-2000)

Antarctic Meteorite Research (v.4-13: 1991-2000)

Astronomische Gesellschaft Abstract Series (v.1-13: 1988-1997)

Australian Journal of Physics (v.46-49: 1993-1996)

Chinese Journal of Astronomy & Astrophysics (v.1: 2001)

The Observatory (v.50-66, v.69-120: 1949-2000)

Zeitschrift fur Astrophysik (v.22-23: 1942-1944; v.38-69: 1955-1968)

We have also added full-text scans from several conference proceedings
to the ADS article archive (including several IAU Symposia). Please see
the full-text journal and proceedings service pages for more
information:

We are missing a number of hardcopy publications (both individual
journal volumes and more extensive sets) which we would like to scan,
including a number of missing IAU Symposia. Please see the list of
publications that we are after and let us know if you can help in any
way:

Joyce Watson died last Wednesday, August 8. Joyce was the Chief
Librarian of the SAO branch of the SI library from 1969 to her
retirement in 1991; following her retirement she continued to work
part-time at SAO on the Simbad and ADS projects until 1998.

Joyce was a pioneer in bringing library services to astronomers through
the use of computers and wide-area networking. Her 1983 paper,
''Information sources and services in astronomy, astrophysics, and
related space sciences'' is the intellectual foundation for what is now
the NASA ADS Abstract Service, which is used daily by nearly every
astronomer. Joyce was also the Principal Investigator on the Simbad/US
project, which provided US access to the French Simbad data service
long before the existence of the World Wide Web.

Joyce was very active in the Physics-Astronomy-Math division of the
Special Libraries Association, even past her retirement; she served as
chair 1985-86.

At a time when few librarians recognized the potential of the new
technologies Joyce took bold moves, sometimes at substantial
professional risk, to bring these advances to astronomers. She will be
greatly missed.

According to her family's preference, anyone wishing to commemorate her
do so by either donating to a preferred charity or sending flowers to a
loved one in her honor.

In several weeks, according to Joyce's wishes, her family will scatter
her ashes off the coast of Monterey County, an area about 3.5 hours
south of San Francisco called Big Sur. She loved the beauty of
cliff-like rocks that climb out of the surf.

We are pleased to announce three new mirror sites for the Abstract
Service at the Institute of Astronomy of the Russian Academy of
Sciences in Moscow, Russia, at the Observatorio Nacional in Rio de
Janeiro, Brazil, and at the Inter-University Centre for Astronomy and
Astrophysics in Pune, India.

In addition, we are pleasd to announce that the mirror sites at CDS and
IUCAA have recently become a full mirror for the scanned articles.
Sites with full articles now include SAO, CDS, NAO, IUCAA, and BAO
(Beijing Astronomical Observatory), while the University of Nottingham
site contains a partial mirror of the articles.

Solar Physics Online

Thanks to the cooperation of Kluwer Academic Publishers, we have
recently added scans of Solar Physics back to volume 1 (1967).

More Data Links

Over the last year, we have added approximately 70,000 links to
datasets at he Multimission Archive at the Space Telescope Science
Institute (MAST) from the HST, IUE, EUVE, COPERNICUS, HUT, WUPPE, UIT,
and BEFS missions. These data sets are all linked to papers published
from those observations, and are available for users to download as
needed.

Scanning Summary

We have recently completed the scanning of the following journals:

Journal of the American Ass. of Variable Star Observers: v. 1-28 (1972-2000)

The Minor Planet Bulletin: v.1-26: (1973-1999)

Solar Physics: v. 1-169 (1967-1996)

We are currently scanning the Journal of the Royal Astronomical Society
of Canada, Astronomische Nachrichten, and Astronomy Letters (1994-1998).

Please feel free to contact us with questions or comments,
and as always, do let us know when you notice errors in our database.
In particular, a check of your own publications for correctness is
always a good idea.

We recently added a feature on the main query page which allows
users to search more than one database at a time. This is particularly
useful if you work in a field where important papers may appear in
physics or instrumentation journals. To use this feature, select the
appropriate databases to query below the top ``Send" button on the main
query page.

Also Read Feature

Another new feature we have recently added is the ability to see
articles which were also read by users who read a given article. This
is useful in showing what papers other researchers thought were
relevant to the paper in question. To use this feature, click on the
``U" link in the Available Items list of a results page.

Citation and Reference Queries

We have expanded the citation and reference query capabilities and
moved them from the top level query page to the bottom of the list of
results page which is returned from a query. The new location allows
users the option of selecting only those papers for which they want to
see references or citations, rather than being forced to use every
paper in the list as was done previously. Another new capability is the
ability to sort by citation count on a list of papers which is done by
selecting that sorting option at the bottom of a results list.

As usual, users should be reminded that the citations in ADS are
incomplete due to our inability to match 100% of references (e.g. in
press, private communications, author errors, some conference papers,
etc.). Anyone using the citations for analysis of publishing records
should keep this in mind. More work on expanding the citation and
reference features is planned over the next year.

Thank you. Please feel free to contact us with questions or comments,
and as always, do let us know when you notice errors in our database.
In particular, a check of your own publications for correctness is
always a good idea.

The ADS is looking for a programmer to join our team. Primary
responsibilities will include processing journal scans to put online,
OCR'ing scans to extract abstracts, references, and full text, and
writing software to gather and format new data for inclusion in ADS. A
full job description along with details on applying are located at:

http://cfa-www.harvard.edu/cfa/hr/postings/20-92.htm

This is a great opportunity for a person with programming experience
interested in joining an exciting project which is transforming the way
astronomers conduct their research.

New PhD Theses

We recently added about 2000 PhD theses which we generated from
electronic references, and therefore they are missing titles and other
information such as affiliation. In addition, the year of publication
may be wrong due to author errors in referencing. If your PhD thesis
hasn't been in ADS so far, now is the time to add it!

Please feel free to submit any missing information to us, preferably
through the form provided at

In cooperation with the IAU, we are now scanning the IAU Symposia to
place online. However, we are missing about 70 volumes which we need to
be complete. If you are willing to donate a copy of any of those we are
missing, we would greatly appreciate hearing from you. The list of
missing IAUS (as well as missing volumes of other journals we are
scanning) is at:

Please feel free to contact us with questions or comments, and as
always, do let us know when you notice errors in our database. In
particular, a check of your own publications for correctness is always
a good idea.

17-May-00

We are pleased to announce another mirror site for the Abstract Service
at the Beijing Astronomical Observatory in Beijing, China. Users in
China may want to use that site for faster response:

Recent updates to the databases have brought the total number of
references in the ADS Abstract Databases to 2.02 million:

Astronomy/Astrophysics Database: 557,202

Instrumentation Database: 577,783

Physics/Geophysics Database: 877,721

ADS/LANL Preprint Database: 3,925

Dexter Data Extraction

We have implemented a Java application which allows users to extract
data from plots in scanned articles. This application, Dexter, is
linked on all pages containing scanned images. It does not require
downloading or installing any software as long as your browser has Java
enabled. We welcome user feedback on Dexter.

Scanning of LPI, MNRAS, AREPS, and BICDS

We have recently scanned and placed online the abstract books from
all past Lunar and Planetary Science Conferences abstract volumes
(LPI), Monthly Notices of the Royal Astronomical Society (MNRAS) back
to 1936 (Volume 96), Annual Reviews of Earth and Planetary Sciences
(AREPS), and Bulletin d'Information Centre Donnees Stellaires (BICDS).
We are currently scanning Soviet Astronomy Letters, Bulletin of the
American Astronomical Society, and the Observatory.

Please note that contrary to what we have previously announced, we will
not be scanning Icarus for the time being since the publisher did not
grant us the required copyright clearence.

Downtime for SAO Site Friday Evening 4/7/00

There will be an electrical outage on Friday evening 4/7/00
beginning at 5pm EDT, at the main SAO site which will cause ADS to be
unavailable. If you intend to use ADS during this period, we suggest
bookmarking one of the mirror sites so that you can go directly there
on that evening.

Please feel free to contact us with questions or comments, and as
always, do let us know when you notice errors in our database. In
particular, a check of your own publications for correctness is always
a good idea.

We have recently added a large number of citations to the database.
These come from two sources:

References from papers created by Optical Character Recognition
(OCR) software performed on the scans of articles we have
created (1.17 million citations)

References from papers provided by University of Chicago Press (UCP)
for ApJ, ApJL, ApJS, AJ, and PASP since mid-1998 (120,000 citations)

This brings the total number of citations in our system to 2.5 million.

Users should be reminded that even with
these additional citations, the citations contained in ADS are
incomplete due to the partial coverage of journals used to build the
citation database and our inability to match 100% of references (e.g.
in press, private communications, author errors, some conference
series, etc.). Anyone using the citations for analysis of publishing
records should keep this in mind. Work on the OCR of references is
ongoing, as is the addition of reference information from data provided
by UCP and other journal publishers.

Scanning of IAU Symposia Series

We have received permission to scan the IAU Symposia Series, and are
looking for donations of missing volumes. The list of those volumes
that we need is available online at:

Since the binding needs to be cut in order to scan them, we would
prefer to have copies which we can dispose of once they have been
scanned. If you have any to donate, we would be happy to accept them at
our exhibit booth at the AAS meeting in Atlanta in January, or to
arrange to have them mailed to us.

We have also received permission to scan Annual Reviews of Earth and
Planetary Sciences, Soviet Astronomy Letters, the Observatory, and
Icarus. We plan to make these journals available online over the next
few months while also completing the scanning of A&AS, MNRAS and PASP
back to volume 1.

Printing Articles At Full Resolution

Users should note that the default for printing of articles is set
to retrieve a low resolution (200 dpi) version of the document which is
considerably less sharp than the high resolution one (600 dpi). If you
have the resources, we recommend changing your preferences to print
with the higher resolution instead.

Please feel free to contact us with questions or comments, and as
always, do let us know when you notice errors in our database. In
particular, a check of your own publications for correctness is always
a good idea.

Select the mirror site closest to you for best response. All user
comments and questions should continue to be sent to
ads@cfa.harvard.edu

Author Address Database

The ADS has begun maintaining an author address database directly
instead of relying on outside sources for them. We have set up an entry
and update mechanism which allows users to enter/update their
information. Users can do this by following the links on author names
from the full abstract display page.

Abstracts From Scanned Articles

In the past few months, we have extracted approximately 15,000
abstracts from scanned pages. These abstracts, which used to be
unavailable, have been OCR'd and indexed so that they are now
searchable. On the full abstract display page, we now show a GIF image
of the abstract (and sometimes keywords as well). This work has been
done for all of the major journals and we will continue to do it for
the minor journals which we have scanned.

Abstract Service Hints

We recently began including one-line hints at the top of the
Abstract Query Page. Different hints come up each time the page is
accessed. A complete listing of the hints is available at the top of
the FAQ page. If you have ideas about other hints we should include,
please send them to us! We would like to include more hints on a
regular basis.

Scanning Summary -- ARA&A, BAICz, and ASPC

Scanning continues as fast as resources permit. Recent additions
include Annual Reviews of Astronomy and Astrophysics (ARA&A), Bulletin
of the Astronomical Institutes of Czechoslovakia (BAICz), and
additional Astronomical Society of the Pacific Conferences (ASPC).
Additions planned for the near future include PASP back to volume 1,
followed by A&AS back to volume 1, followed by MNRAS back to volume 1.

ADS is pleased to announce the availability starting 1 June 1999 of
the Astrophysical Journal (ApJ) scans back to Volume 1 (1895). In
conjunction with the upcoming AAS meeting in Chicago, we will provide
electronic access to all AAS journals for their entire lifetimes (ApJ,
ApJL, ApJS, AJ, and AASPB). We thank the AAS for their enthusiastic
cooperation in granting us the permission required to make this
possible.

More Conference Proceedings Online

We have been putting more effort into obtaining conference
proceeding listings and have recently added to the system complete
entries for all ASP Conference Series, IAU Symposia Series, and IAU
Colloquia Series. We have also added table of contents from
approximately 150 other conference proceedings.

Physics Database Updated

In the last few months, we have updated the Physics database with
table of contents of journals from Elsevier, Academic Press, American
Institute of Physics (AIP), and Institute of Physics (IOP). This has
resulted in a 50% increase in the size of the database, entirely due to
recent data. We still hope to obtain table of contents of journals from
the American Physical Society (APS) to continue to improve the quality
of this database.

01-Apr-99

We are pleased to announce another mirror site for the Abstract Service
at the European Southern Observatory in Garching, Germany. Users in
Germany may want to use that site for faster response:

We have been putting more effort into obtaining conference proceeding
listings and have recently added to the system the past 5 years of
conference proceeding references from the ASP Conference Series, the
IAU Symposia Series, and the IAU Colloquia Series. We are also in the
process of adding table of contents listings from several hundred more
conference proceedings. Many thanks to the following librarians,
without whom this effort would not have been possible: Ellen Bouton,
Liz Bryson, Donna Coletti, Brenda Corbin, Donna Cromer, Marlene
Cummins, and Sarah Stevens-Rayburn.

We have recently scanned and placed online ASP Conference Proceedings,
Volumes 1-34 (except for vol. 6 and vol. 23). In addition, we have
scanned and placed online the following conference proceedings:

We have recently added more than two years of citations to the
Abstract Service, bringing citations current through September, 1998.
These citations, from the Institute for Scientific Information (ISI),
producers of the Science Citation Index, are available by following "C"
and "R" links. Note that because the cross-references used to create
the lists of citations and references in this dataset are
self-contained, we cannot guarantee their completeness (not even in a
specific time-span). We are working to add more cross-references on a
regular basis by cooperating with the publishers of electronic journals
in the creation of links to and from them, and by automatically
recognizing references from the scanned images of older journal
articles.

New Associated Article Links

We have added an "O" link for other associated articles in the
Available Items Column. This allows linking of errata to their main
paper, and linking of articles appearing in a series. We encourage
users to send us bibliographic codes which are associated with each
other so that we can properly connect them in the system. There is a
form set up for this purpose at

Note that the former use of the O link, for original author abstracts,
has been folded into the A link. The source of the abstract can be
determined from the Origin field.

E-mail Searches

Users are reminded that they can take advantage of searching the
Abstract database by email in order to find out what has been recently
added to the database which is of particular interest to you. Users can
do this one of two ways: 1) by sending a saved query form to
"adsquery@cfa.harvard.edu" or 2) by sending a specially formatted email
message to the same address. The first method returns an ascii results
list in plain text, the second method gives the user the option of
returning html so that links may be followed.

To try the first method, enter some parameters in the query form,
including a "start_day" of -31 in the filter section. This will query
the database for everything that matches those parameters for
references added to the database in the past 31 days. Save this query
form with the button "Return Query Form", and email that form to
adsquery@cfa.harvard.edu

To try the second method, and to see more details on automating
queries, see our FAQ:

The abstract mirror in Chile will be unavaiable from Friday, 29
January 1999 until approximately Monday, 1 March 1999 while a building
upgrade is performed. We are sorry for the inconvenience.

Scanning Update -- AJ, ApJS, and PASJ Back to Volume 1

We are proud to announce the completion of scanning and placing
online articles back to Volume 1 for the AJ (1849), the ApJS (1954),
and the PASJ (1950). This brings the total to eight astronomy journals
(also A&A, M&PS, RMxAA, BaltA, JKAS) which are available electronically
from Volume 1 to present. Special thanks go out to the Princeton
Librarians, Jane Holmquist and Alain Tschanz, who scanned and formatted
the table of contents for the first 50 volumes of AJ. Within the next
year, we anticipate adding several more complete journals, including
the ApJ, A&AS, and PASP.

We have also added the past two years of MNRAS scans to the system to
close the gap between what was previously scanned and the present, now
that the journal is available electronically.

For a full listing of what journals and conference proceedings are
scanned and available through ADS, see our listing at

The main server at SAO will be unavailable from Friday afternoon,
11/20/98 at approximately 4pm EDT to Saturday 11/21/98 at approximately
noon while electrical work is being done in the building. Users are
reminded that we have 3 mirror sites which can be used during this
time:

Thanks to new hardware purchased by the CDS we are expanding the ADS
mirror site in Strasbourg to serve as a partial archive for full-text
articles. The site will contain only a portion of the articles
available in full-text, caching the most frequently requested
documents. If an article is requested which is not available from the
local archive, the request is automatically forwarded to the full
article mirror at SAO. Users of the CDS site should change their
abstract service preferences
(http://cdsads.u-strasbg.fr/cgi-bin/pref_set?2)
to retrieve articles
from that site when available. Please note that we are currently in the
process of populating the article holdings on that host, and while at
the moment it contains only about 10% of the articles available from
SAO, we expect it that over the next week this number will increase to
30%.

We have recently moved ApJ and AJ plates to their respective article
directories. This means that when accessing an ApJ or AJ article
through the article service, if that paper contains a plate, that plate
will be displayed together with the pages from the article, and
printing the article will also print the appropriate plate(s). We had
already done this work for ApJL and PASJ as well.

We are pleased to announce another mirror site for the Abstract
Service at the Pontificia Universidad Catolica de Chile (PUC), in
Santiago, Chile. Users in South America may wish to use that site for
faster searching:

This site contains only the abstracts for our databases, so transfer of
articles must still be done from SAO or from NAO.

On A Slow Link?

We are considering investing in a new compression technology which
would enable us to provide scanned articles compressed by up to a
factor of 10. This would particularly help users on slow links, as it
would increase the transfer rate of downloading articles. All the
currently supported output formats for full-text articles would still
be available indefinitely, but users would have the option to set their
preference menus to indicate whether articles should be downloaded in
this new format.

The Cartesian Perceptual Compression (CPC) is a novel image compression
method developed by Cartesian Products, Inc., which was specifically
designed for 1-bit/pixel document image storage and transmission
systems. In many instances this proprietary compression scheme has
shown to reduce the size of scanned image files by almost an order of
magnitude (typical compression ratios range from 5 to 10 over TIFF G4
encoding, the currently used compression scheme).

The Astrophysics Data System is considering making its collection of
full-text articles available in this format, and would like to receive
some feedback from potential users who may benefit from it. A number of
viewers capable of displaying and printing images in this format are
currently available from Cartesian Products, Inc. (see Download info).
Please note that a only limited number of options for viewers are
currently available, and that the viewer for Windows platforms is
currently free only on a trial basis, though we have been assured by
CPC that the CPC-only version will remain available free to users.

To be able to use this feature would require the user be on one of the
platforms for which a viewer is available. The user would need to
download a free software package, similar to PDF, for display of these
compressed articles.

We are looking for feedback from users to help us determine whether or
not we should spend the money on the compression software package.
Would you be interested in such a feature? Do you anticipate
benefitting from this feature? Would your primary use of it be from
home or from the office? More information is available here.

Notes About Available Item Links

A/O links

We recently merged O (original abstract) links into the A
links (abstract). A links used to always be the rewritten NASA/STI
version of the abstract, and now may be either the STI version or the
original abstract. When we have both, the default version displayed is
currently the STI version (with a link to the author abstract on the
top of the page), but we are in the process of changing the default to
be the original author abstract when both are available.

E/F links

Users are reminded that E and F links point to electronic
versions of the paper (HTML, PDF, and/or Postscript) which are provided
by other sites, usually the journal publisher. Any access restriction
on these has been imposed by them, and access problems need to be
resolved with them, or with your institition's library, who may have a
password or access control list.

G links

These are links to articles which ADS has scanned, and
continue to be available free for all users.

Scanning Summary

We have been adding new scans on a regular basis and currently have
the following online:

Recent additions include Acta Astronomica, the Journal of the British
Astronomical Assocition, and some issues of ApJS. We expect to be
adding 5-year old ASP Conference Series, more ApJS, and more A&AS soon.

05-Aug-98

As some of you may have noticed, we experienced a hardware failure over
the weekend which resulted in the loss of one of the large disks
containing scanned articles. We have managed to restore approximately
80% of the 43,000+ articles which were on the disk, and expect to be
able to recover most of the rest from our mirror site in Japan. The
remainder of the articles will be re-processed from our original scans.
This will take some time. If you are unable to get to a scanned article
this week, please have patience while we finish restoring the data
which were lost.

We have added new page formatting options in the article server
preference page which gives users the option to specify paper sizes
other than 8.5x11 inches (letter size). In addition to letter size, we
now have options to print articles on A4 paper, ledger paper, and
user-specified custom sized paper. In particular printing on A4 paper
is important for our European users to prevent text from being cut off.

ApJL Plates With Their Articles

With help from our summer student, we have assigned and moved all
ApJL plates to their articles. This means that when accessing an ApJL
article through the article service, if that paper contains a plate,
that plate will be displayed together with the pages from the article,
and printing the article will also print the appropriate plate(s). We
hope to be able to do the same for ApJ and AJ by the end of the summer.

U.S. SIMBAD Mirror is Operational

In cooperation with the SIMBAD project at CDS in Strasbourg, we have
made fully operational the U.S. mirror of SIMBAD at the Center for
Astrophysics (CfA). Using the USA mirror greatly improves the response
time as well as the throughput from the server, so we recommend that
all US users consider using this site. The SIMBAD mirror can be
accessed at http://simbad.harvard.edu

ADS currently includes abstracts from some conference proceedings
prior to their publication. When conference editors send us abstracts
which are submitted to them to be included in meeting abstracts books,
we include these with an "E" in the 14th column of the bibliographic
code (e.g. 1998bllp.confE...1U). Since these typically do not have page
numbers, we use a "counter" in place of the page number and
sequentially number the abstracts as received from the conference
proceeding editors.

When these are later published in proceedings with page numbers, the E
abstracts are replaced with real printed proceedings abstracts
containing page numbers. Any E abstracts which are not matched with the
printed versions are deleted at this point (presumably because the
author did not attend the conference or withdrew the paper). It is
therefore not adviseable to create hyperlinks to one of such entries,
since they are to be considered "temporary" bibliographic references.

We invite all conference proceeding editors to submit their abstracts
to ADS by sending email to ads@cfa.harvard.edu either before the
conference, after they are published, or (preferably) both.

Scanning Summary -- A&A Back to Volume 1 and Some ApJS!

We have been adding new scans on a regular basis and currently have
the following online:

Recent additions include older issues of A&A, ApJS, and the AAS Photo
Bulletin, We expect to be adding Journal of the British Astronomical
Association, 5-year old ASP Conference Series, and more ApJS soon.

We have added new sorting options on the main query page, and new
sorting and formatting options at the bottom of results lists. The
sorting options enable users to sort results lists by score, first
author, date, or entry date into the system. This will be particularly
useful for users trying to finding papers by a given first author. The
formatting options enable users to format by the previous methods
(html, plain text, tagged output, bibtex), plus a new method a new
mthod that allows the user to specify a format string.

Translation of Foreign Language Abstracts

We have added a translation feature which uses AltaVista to
translate any abstract in the system into a number of languages. The
translation link on the abstract page will translate from the language
given in the language tag of the abstract (English if none given) to
the language specified in the user preferences. In the case where we
have not correctly identified a foreign language abstract, the
AltaVista translation engine allows the user to override the input
language.

Highlighting of Search Terms

We recently began highlighting those terms which were entered as
search parameters in the title or abstract. While this feature is very
convenient, users should be warned that it may slow down the display of
abstracts, particularly if there are many words to be highlighted. This
feature may be turned off on the user preference page.

The ADS Oracle

We have added a feature called the ADS Oracle to the Table of
Contents Query Page. The Oracle finds abstracts of interest to
individual readers based on abstracts they have read in the past.

Full Japanese Article Mirror

The Japanese mirror now contains the full set of scanned articles
that we have available. Users whose connection to Japan is faster than
their connection to SAO are encouraged to take advantage of the
Japanese mirror site, http://ads.nao.ac.jp

Scanning Summary

We have been adding new scans on a regular basis and currently have
the following online:

Recent additions include older A&A, some A&AS, Meteoritics and
Planetary Science (formerly known as Meteoritics), and the Journal of
the Korean Astronomical Society. We expect to be adding Journal of the
British Astronomical Association, 5-year old ASP Conference Series, and
ApJS soon.

We recently added a second server which now runs the Abstract
Service. Most queries are running approximately 4 times faster
(although this may be noticeable only for long searches). In order to
ensure that you are using the new machine, you may need to log out of
your browser and log back in again so that the old machine IP address
is not being cached by the browser. We plan to phase out use of the old
ADS server by the end of February.

Email Notification of What's New

This what's new announcement is sent to everyone who has an email
listed in user preferences for ADS. If you would prefer not to receive
these periodic email announcements (approximately once a month), please
go to the user preferences page

and check the box next to your email address which says
Do not use for announcements.

If you received more than one copy of this notice, it means that you
have multiple cookies registered with us (probably because you use
multiple machines to access ADS). If you would like to receive only one
copy, you need to check the "Do not use for announcements" box (see
above) on all but one machine. If you think that a cookie is from an
old machine or a previous account, please let us know and we will try
to remove the address.

Article Thumbnails

We now provide a screenview of the entire
article with thumbnail images of each page for full journal articles
included in the database. This feature is linked at the top of the
screenview of the first page of an article, arrived at by following a G
link. You can select this display type as your default through the
preferences settings page, if you desire. Users are reminded the G
links (which were formerly F links) provide page-by-page viewing of
full journal articles which the ADS project has scanned. F links are
the full journal articles which are provided by other institutions and
there may be access control at that site.

Article Display Resolution

Now included in the preference settings are preferences for setting
article display resolution (dpi and greyscale). Users on slow links, or
working from home may want to reduce the image quality or image
resolution so that display is faster. Another way to increase speed on
slow links is to disable HTML table markup at the top of the preference
settings.

TOC Queries

Table of Contents Queries are available by following the TOC_QUERY
link beneath the Send button in any abstract query form. Clicking on
any of the journals' cover pages will list the contents of the latest
volume for that journal (or the one most recently read by the user,
depending on preference settings) for many of the journals. Also
available is a "custom" TOC Query page which displays only those
volumes that have new issues which have not been read. You can select
which journals should be included on this custom ToC page from the
preferences settings page.

Z39.50 Interface

We currently provide a Z39.50 interface to the Abstract Service. It
can be accessed through the Library of Congress Gateway at: